package diShiErZhou.zuoye4.zuoye1;

public class zhuHanShu {
    public static void main(String[] args) {
        Thread pn1=new thread1("线程一");
        Thread pn2=new thread1("线程二");
        Thread pn3=new thread1("线程三");

        pn1.start();
        pn2.start();
        pn3.start();

    }
}
